LVGL的两个buf按照正点原子的方法是下面这么定义的,而且最好比实际大小大点。 1/*官方Demo*/2voidlv_port_disp_init(void)3{4/*---5* Initialize your display6* ---*/7disp_init();89/*---10* Create a buffer for drawing11*---*/1213staticlv_disp_buf_t draw_buf_dsc_2;14staticlv_color_...
typedefstruct{lv_disp_drv_tdisp_drv;// LVGL显示驱动器结构体lv_disp_t*disp;// LVGL显示结构体lv_obj_t*screen;// LVGL屏幕对象// other display related variables}my_disp_t; 1. 2. 3. 4. 5. 6. 在初始化LVGL之前,我们可以创建多个显示驱动器结构体,并通过lv_disp_drv_init函数进行初始化。然...
/** Pointer to a buffer initialized with `lv_disp_draw_buf_init()`. * LVGL will use this buffer(s) to draw the screens contents*/ lv_disp_draw_buf_t * draw_buf; 1 2 3 draw_buf :显示所需要用到的缓冲区,注意这个draw_buf是一个结构体,里面包含了两个缓冲区,做显示基本都是双缓冲的...
void lv_disp_buf_init(lv_disp_buf_t*disp_buf, void *buf1, void *buf2, uint32_tsize_in_px_cnt ) Initialize a display buffer Parameters disp_bufpointerlv_disp_buf_tvariable to initialize buf1A buffer to be used by LittlevGL to draw the image. Always has to specified and ca...
/media/sf_SharedFolder/1-Demo/Demo_Arduino/DEMO_PIC/esp_bsp.c: In function 'bsp_display_lcd_init': esp_bsp.c:367:31: error: 'LV_DISP_ROT_180' undeclared (first use in this function); did you mean 'LV_DISP_ROTATION_180'?
#include "lvgl/lvgl.h" void init_lvgl() { // 初始化LVGL lv_init(); // 创建屏幕对象 lv_obj_t *screen = lv_obj_create(NULL, NULL); // 加载屏幕对象到当前显示器 lv_disp_load_scr(screen); // 现在可以安全地调用lv_obj_get_disp(screen) lv_disp_t *disp = lv_obj_get_disp(screen...
Powerful and easy-to-use embedded GUI with many widgets, advanced visual effects (opacity, antialiasing, animations) and low memory requirements (16K RAM, 64K Flash). Experimental build for PinePhone Ubuntu Touch with Wayland EGL - lvgl-wayland/wayland/l
Perform all steps below and tick them with [x] Read the FAQ Check the related part of the Documentation Update lvgl to the latest version Reproduce the issue in a Simulator Describe the bug This issue came up when developing my own GPU d...
(3348151.316, +0) lv_init: Log level is set to 'Trace' which makes LVGL much slower (in lv_obj.c line #176) [Trace] (3348151.316, +0) lv_init: finished (in lv_obj.c line #183) [Info] (3348151.317, +1) lv_obj_create: begin (in lv_obj.c line #206) [Trace] (3348151.317...
Hi everybody This error is reported many times since 2021 over the net and seems to be related to the LVGL versions over 8.0, but i didn't find a clear solution. i've tried with 7.8.1 but have the same error. I'm new to LVGL and simply w...